Electro-Voice Sx80 Specifications page 8

Sx80T T wo-Way Speaker System With Transformer
Specifications
Typical Axial Frequency Response,
Swept Sine Wave, 4 volts at 3.05
meters (10 feet), (half-space, normal-
ized for 1 watt at 1 meter; see Figure
1):
65-20,000 Hz
Low-Frequency 3-dB-Down Point:
65 Hz
Usable Low-Frequency Limit
(10-dB-down point):
51 Hz
Half Space Reference Efficiency:
1.2 %
Long-Term Average Power-Handling
Capacity per EIA Standard RS-426-A
1980 (see Power-Handling Capacity
section):
2-60 watts, selectable in 3 dB steps
(transformer-limited)
Maximum Woofer Acoustic Output:
2.1 watts
Sensitivity (SPL at 1 watt, 1 meter
input, half-space, swept sine wave):
92 dB
Nominal Coverage Angle,
Horizontal: 90°
Vertical: 65°
Dispersion Angle Included by
6-dB-Down Points on Polar Re-
sponses, Indicated One-Third-Octave
Bands of Pink Noise (see Figure 3),
2,000-20,000 Hz, Horizontal:
90° (+34°, -27°)
2,000-20,000 Hz, Vertical:
65° (+31°, -4°)
Directivity Factor R (Q), 800- to
16,000-Hz Median (see Figure 4):
8.3 (+5.7, -4.9)
SPEAKER - Two-Way w/Transformer
8
Directivity Index D , 800- to 16,000-Hz
i
Median (see Figure 4):
9.2 dB (+2.3 dB, -3.9 dB)
Distortion, 0.1 Full Power Input, (see
Figure 5)
Second Harmonic,
100 Hz:
-21 dB, 9.0%
1,000 Hz:
-55 dB, 0.2%
10,000 Hz:
-25 dB, 5.6%
Third Harmonic,
100 Hz:
-26 dB, 4.9%
1,000 Hz:
-41 dB, 0.9%
10,000 Hz:
-47 dB, 0.5%
Transducer Complement,
High Frequency:
DH2005 driver
Low-Frequency:
203-mm (8-in.) woofer
Box Tuning Frequency:
70 Hz
Crossover Frequency:
2,200 Hz
Crossover Slope,
12 dB per octave
Impedance:
Power Impedance
Tap 100-volt
60 W 167
30 W 333
15 W 667
7.5 W 1,350
3.8 W 2,700
1.9 W 5,400
12000 Portland Avenue South, Burnsville MN 55337
952/884-4051, 952/884-0043 Fax
©Telex Communications, Inc., 1999 • Litho in U.S.A.
Input Connections,
Sx80T:
Barrier Strip with Cover
Driver Protection, High Frequency:
Solid-state self-resetting circuit (PROJ
circuit) drops output 6 dB; blocking
capacitor with 800-Hz corner fre
quency and 6-dB-per-octave slope
Materials,
Enclosure:
Injection-molded high-impact
polystyrene, black or white
Grille:
Perforated metal grille matches
enclosure color
Dimensions (see Figure 6)
Height:
400 mm (15.75 in.)
Width:
292 mm (11.49 in.)
Depth:
240 mm (9.45 in.)
Net Weight:
9.3 kg (20.5 lb)
Shipping Weight:
11.1 kg (24.5 lb)
Optional Accessories:
Sx80MB installation kit, black or white
Attachment Points:
Seven M6 and four M5 metric inserts
(see Figures 6, 7, and Suspending
Sx80T Enclosures section)
70-volt
83
167
333
667
1,350
2,700
Part Number 535143 — Rev B